What's It All About? Country music will be king this fall on ABC when the network's new drama "Nashville" makes its big impression. The primetime soap-tinged series stars Connie Britton, fresh off her Emmy nomination for "American Horror Story," as a fading country star (Rayna Jaymes) being strong-armed into touring with a hot new chart sensation (Juliette Barnes), played to catty perfection by Hayden Panettiere. Both ladies do their own singing in the show, with a little help from T-Bone Burnett, who's "Nashville's" executive music producer.

What's It All About? Full of high octane thrills, the military-themed drama "Last Resort," starring Andre Braugher (Captain Marcus Chaplin) and Scott Speedman (XO Sam Kendal), is a sure bet. In the vein of "Crimson Tide," the crew of a U.S. Navy submarine is abandoned by their own country and declared an enemy of the state when the Capt. defies a direct order to launch a nuclear attack. Taking refuge on a tropical island, there will be plenty to deal with from a variety of enemies both afar and in close proximity.

But That's Not All: Autumn Reeser's character, Kylie Sinclair, dives in the drama in Washington, D.C. Meanwhile, over on the island, watch out for a subplot around Australian newcomer Daniel Lissing (as James King) and his group of Navy SEALs just back from a mysterious - and seemingly disastrous -- mission.

**

"Revolution"

Premiere: September 17 at 10/9c on ABC

What's It All About? From J.J. Abrams' Bad Robot Productions and "Supernatural's" Eric Kripke comes this post- apocalyptic set action-packed drama. Taking place 15 years after the power - as in all the power in the world -- has gone out, a militia's kidnapping of her asthmatic younger brother prompts Charlie Mattheson (played by fresh face Tracy Spiridakos) to head out on a search for her elusive uncle Miles ("The Twilight Saga's" Billy Burke).

But That's Not All: "Iron Man 1 & 2" director Jon Favreau (also a co-executive producer on "Revolution") went behind the camera for the pilot, which fans can watch ahead of its network premiere on Hulu. Easy-on-the-eyes J.D. Pardo swings in as the crossbow wielding Nate.

**

"Arrow"

Premieres: October 10 at 8/7c on The CW

What's It All About? He may not be able to fly, but "Arrow," as in DC Comics character Green Arrow, is about to take off for The CW. Combining action, adventure and the abs of star Stephen Amell, we're calling it Bourne meets Batman. The powerful premiere sets things up nicely from the opening sequence, as former blond-highlighted playboy Oliver Queen gets rescued following five soul-searching and skill-learning years on a deserted island. Back home, he's focused on righting wrongs with insanely athletic feats and his trusty bow and arrow.

But That's Not All: A brunette Kate Cassidy stars as Laurel Lance, Oliver's ex-girlfriend, who is a pro-bono lawyer. Look out for some twists (not in the comics) involving Oliver's troubled little sister - Thea Queen (Willa Holland) and his mother Moira Queen (Susanna Thompson).

**

"Vegas"

Premieres: September 25 at 10/9c on CBS

What's It All About? Dennis Quaid - in his first television series - stars as Ralph Lamb, a fourth-generation rancher who becomes the sheriff of Las Vegas in the 1960s. It's also a strong role for fellow star Michael Chiklis as the other side of the coin - casino mob boss Vincent Savino, who is doing everything he can to usher in a big wave of crime and corruption.

But That's Not All: Having put "Terra Nova" behind him, Irish hunk Jason O'Mara, amps up the drama as Frank Lamb (Ralph's deputy and brother), and Carrie-Ann Moss fights the good fight as Assistant District Attorney Katherine O'Connell. Sarah Jones, the blond crime fighter with a pixie cut from FOX's ill-fated "Alcatraz" recently joined the cast as Mia Rizzo, the daughter of a Chicago mobster.

**

That covers dramas. As for the comedies? Keep your eye on NBC's "The New Normal" - about a non-traditional, very funny family. FOX's "Ben & Kate," stars Dakota Johnson (Melanie Griffiths and Don Johnson's daughter) and Oscar winner Nat Faxon (he co-wrote "The Descendants") as two uniquely different siblings with a quirky group of friends. And then, Matthew Perry returns to NBC with "Go On," about a widowed sportscaster forced into group therapy.

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